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Hash: SHA1 |
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|
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Well, I'm running: |
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Linux hax 2.6.3-gentoo-r2 #3 Wed May 5 02:22:32 PDT 2004 i686 Intel(R) |
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Pentium(R) 4 CPU 2.40GHz GenuineIntel GNU/Linux |
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|
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WIth a Promise: |
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20269:0000:02:04.0 Unknown mass storage controller: Promise Technology, |
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Inc. 20269 (rev 02) |
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|
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I've got 2 Maxtor 7200rpm 120's as primary on each Promise channel with |
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these results: |
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|
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2mb cache: |
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hax root # hdparm -tT /dev/hdf |
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|
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/dev/hdf: |
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~ Timing buffer-cache reads: 1412 MB in 2.00 seconds = 705.40 MB/sec |
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~ Timing buffered disk reads: 142 MB in 3.02 seconds = 47.01 MB/sec |
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|
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8mb cache: |
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hax root # hdparm -tT /dev/hdg |
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|
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/dev/hdg: |
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~ Timing buffer-cache reads: 1372 MB in 2.00 seconds = 686.10 MB/sec |
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~ Timing buffered disk reads: 168 MB in 3.03 seconds = 55.53 MB/sec |
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|
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I've also got 4 other ide disks on the mobo controllers and a u160 hba |
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and single 15K boot drive. |
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|
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No ide tweaks were made, this system is less than a week old atm. |
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|
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Matt Hallmark |
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|
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Chris Smart wrote: |
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| sorry.. I meant "..with promise ultra100 controller (namely 20267 |
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| chipset) and *2.6.x* kernels?" |
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| |
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| that's 2.6, not 2.5.. thanks |
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| |
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| Chris Smart wrote: |
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| |
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|> Howdy, |
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|> Anyone had any problems (or know of any fixes) with promise ultra100 |
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|> controller (namely 20267 chipset) and 2.5.x kernels? |
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|> |
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|> 2.4.x seems rock stable, and fast (55mb/sec) |
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|> |
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|> 2.6.x is slow (30mb/sec) and causes hdd corruptions (using "old" |
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|> promise driver for up to 20267). |
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|> |
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|> I've searched online but can't find any answers, so I turn to my |
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|> trusty friends on the gentoo-server list. |
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|> |
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|> Cheers, |
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|> |
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|> Chris |
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| |
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| |
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Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org |
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iD8DBQFAnuI6aVzErf2usf4RAtFgAJ9U3MMrLcDEivjPePTtcFnLvS8z1gCg7pyP |
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b+dDPZX96DwCVCqE1tmcSKw= |
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=uu9x |
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